--- title: Using The PowerShell Pipeline Like a Pro description: Learn how to use the PowerShell pipeline effectively in this hands-on tutorial. Discover how to chain commands together, check pipeline support, and write more efficient PowerShell code. canonical: https://adamtheautomator.com/powershell-pipeline-tutorial/ --- # Using The PowerShell Pipeline Like a Pro > Learn how to use the PowerShell pipeline effectively in this hands-on tutorial. Discover how to chain commands together, check pipeline support, and write more efficient PowerShell code. Source: https://adamtheautomator.com/powershell-pipeline-tutorial/ --- - Using The PowerShell Pipeline Like a Pro Tap to hide Home - Tutorials - Guidebooks - Instructors - Get Paid to Write - Advertising - Recommended Resources - About Adam Search for: - - - - # Using The PowerShell Pipeline Like a Pro Published:5 November 2024 - 2 min. read - PowerShell [](https://adamtheautomator.com/author/adam-bertram/) [Adam Bertram](https://adamtheautomator.com/author/adam-bertram/) Read [more tutorials](https://adamtheautomator.com/author/adam-bertram/) by Adam Bertram! - - [](https://specopssoft.com/product/specops-password-auditor/?utm_source=adamtheautomator&utm_medium=referral&utm_campaign=adamtheautomator_referral_na&utm_content=display) Audit Active Directory for stale users, weak passwords, and other security risks with [Specops Password Auditor](https://specopssoft.com/product/specops-password-auditor/?utm_source=adamtheautomator&utm_medium=referral&utm_campaign=adamtheautomator_referral_na&utm_content=text). Table of Contents - Demonstrating the Pipeline - Checking Pipeline SupportConclusion XFacebookLinkedIn One feature that sets PowerShell apart from other languages is the pipeline. The pipeline is a way to “pipe” or send output from one command directly to another with no code in between. This capability allows you to chain commands together in a single line, enabling the efficient execution of complex tasks. ## Demonstrating the Pipeline Before jumping into chaining commands together, it’s essential to understand the concept of the PowerShell pipeline. The pipeline enables seamless data flow between commands, allowing you to chain them together in a single line. To demonstrate the pipeline, let’s start with a common command: Get-Service. Get-Service Get-Service returns all Windows services on your local system. If you wish to check the status of the Windows Update service, you can use: $serviceName = 'wuauserv' Get-Service -Name $serviceName Now, to stop a service, execute the Stop-Service command. Stop-Service -Name $serviceName This approach works, but there’s some duplication. Following the DRY (Don’t Repeat Yourself) principle is best practice when writing code. Instead of defining the service name twice, you can streamline the process. In this case, Get-Service queries the service and then pipes it to Stop-Service. Since Stop-Service understands the output from Get-Service, PowerShell handles the task seamlessly. Get-Service -Name 'wuauserv' | Stop-Service You can also pipe the service name directly to Get-Service and bypass specifying the Name parameter: This example shows how efficient the pipeline can be. 'wuauserv' | Get-Service | Stop-Service Imagine what would happen if you did this. PowerShell would attempt to stop all services on your machine, which is usually not the desired outcome. Get-Service | Stop-Service If you intend to find the status of multiple services listed in a text file, you can use Get-Content to read the file and send the contents to the Get-Service cmdlet: Get-Content -Path C:\services.txt | Get-Service #### ## Checking Pipeline Support Many commands in PowerShell support the pipeline, but not all of them, and knowing which ones do is crucial. To check if a command supports pipe input, use Get-Help with the Full parameter: Get-Help -Name Stop-Service -Full Scrolling down, you’ll see the InputObject parameter, which accepts pipeline input by value. This behavior signifies the parameter takes in the entire object from Get-Service rather than just a property name. Below is an example of a command that does not support pipeline input: 'explorer' | Get-Process While Get-Service works as expected: 'wuauserv' | Get-Service #### Conclusion Through this tutorial, you’ve learned to chain commands together seamlessly, reducing redundancy and adhering to best practices like the DRY principle. You’ve seen how to combine pipelines with common cmdlets like Get-Service, Stop-Service, and Get-Content to perform tasks more succinctly and effectively. Understanding and leveraging the pipeline is fundamental for anyone looking to harness the full potential of PowerShell. By exploring the pipeline capabilities of various cmdlets using Get-Help, you can continue to expand your PowerShell proficiency and streamline your workflows. Embrace the PowerShell pipeline to make your scripting more efficient and powerful! Hate ads? Want to support the writer? Get many of our tutorials packaged as an ATA Guidebook. 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